Inspire Medical Systems, Inc. (INSP) NYSE

Currency In USD

INSP Historical Return

If you invested $1000 in Inspire Medical Systems, Inc. (INSP) since IPO date, it would be worth $2,922.34 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $310.97, while $1000 invested 1 year ago would be worth $881.64. This corresponds to total returns of 192.23%, -68.9%, -11.84%, respectively, with annualized returns of 13.68%, -20.84%, -11.84%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

INSP Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	69.88	73	73	74.95	69.87	1.4M
September 10, 2026	64.35	68.12	68.12	68.5	64.02	1.14M
September 09, 2026	62.43	66.48	66.48	67.72	62.01	1.2M
September 08, 2026	64.03	62.14	62.14	64.12	61.61	621,288
September 04, 2026	61	63.08	63.08	63.43	60	425,705
September 03, 2026	63.7	62.14	62.14	63.76	61.65	398,852
September 02, 2026	61.24	63.07	63.07	64.33	61.19	413,004
September 01, 2026	63	61.52	61.52	63.5	61.2	351,708
August 31, 2026	60.43	62.99	62.99	63.01	60.24	514,688
August 28, 2026	60.52	61.44	61.44	62.05	60.5	517,994
August 27, 2026	62.1	60.82	60.82	62.8	60.5	315,772
August 26, 2026	60.07	61.8	61.8	62.46	60.01	327,274
August 25, 2026	61.19	61.07	61.07	61.89	60.38	524,310
August 24, 2026	62.08	61.47	61.47	62.7	60.79	529,857
August 21, 2026	61.17	62.36	62.36	63.2	60.35	407,862
August 20, 2026	60.94	61.27	61.27	62.2	58	474,709
August 19, 2026	57.8	61.69	61.69	61.96	57.8	578,076
August 18, 2026	57.32	57.38	57.38	58.14	57	656,380
August 17, 2026	56.4	57.22	57.22	57.23	55.44	519,675
August 14, 2026	58.11	57.1	57.1	58.11	56.97	394,908
August 13, 2026	57.99	58.2	58.2	58.83	57.1	485,897
August 12, 2026	58.03	58.28	58.28	59.12	57.2	571,428
August 11, 2026	59.2	59.13	59.13	60.75	59.07	385,365
August 10, 2026	59.53	59.72	59.72	61.31	59.35	585,385
August 07, 2026	58.65	60.16	60.16	60.51	58.29	538,852
August 06, 2026	59.6	58.89	58.89	60.44	58.68	681,806
August 05, 2026	63.32	60.09	60.09	63.34	59.76	1.45M
August 04, 2026	64.16	64.14	64.14	66.21	59.5	2.33M
August 03, 2026	51.21	52.22	52.22	52.8	51.21	962,700
July 31, 2026	49.92	50.21	50.21	50.39	49.02	672,166
July 30, 2026	50.27	50.02	50.02	50.66	48.75	676,373
July 29, 2026	51.62	51.07	51.07	52.49	50.56	1.05M
July 28, 2026	48.21	51.97	51.97	52.47	48.21	935,061
July 27, 2026	50.17	50.93	50.93	51.27	49.72	944,837
July 23, 2026	50.3	50.81	50.81	50.87	48.8	709,813
July 22, 2026	52.01	50.4	50.4	52.52	50.12	753,733
July 21, 2026	52.29	52.49	52.49	53.5	51.84	638,757
July 20, 2026	50.53	53.27	53.27	53.4	50.53	783,120
July 17, 2026	51.04	50.6	50.6	51.46	49.68	664,587
July 16, 2026	51.58	51.54	51.54	53.01	51.02	882,236
July 15, 2026	49.21	50.5	50.5	51.43	48.77	679,539
July 14, 2026	50.37	49.15	49.15	50.37	48.5	580,032
July 13, 2026	51.49	51.36	51.36	52.13	50.85	831,480
July 10, 2026	51.86	51.76	51.76	52.51	50.02	1.29M
July 09, 2026	49.44	51.52	51.52	51.65	48.5	917,094
July 08, 2026	48.65	49.3	49.3	49.52	46.55	1.25M
July 07, 2026	49.97	50.08	50.08	50.6	48.78	1.06M
July 06, 2026	46.47	49.45	49.45	49.84	46.47	1.17M
July 02, 2026	46.23	46.95	46.95	47.71	45.72	1.3M
July 01, 2026	45.21	45.46	45.46	47.1	45.21	1.35M
June 30, 2026	44.5	44.61	44.61	44.89	43.1	650,065
June 29, 2026	45.75	44.93	44.93	46.1	44.37	715,384
June 26, 2026	43.29	45.72	45.72	45.99	42.81	5.1M
June 25, 2026	43.78	43.45	43.45	44.45	42.78	991,410
June 24, 2026	42	43.2	43.2	43.45	42	804,074
June 23, 2026	40.27	41.75	41.75	42.22	39.99	793,034
June 22, 2026	42.3	41.35	41.35	42.61	41.32	700,091
June 18, 2026	41.91	42.61	42.61	42.73	39.73	1.39M
June 17, 2026	41.1	41.12	41.12	43	40.65	559,880
June 16, 2026	41.29	41.39	41.39	42.22	40.96	646,174